1 //===-- ObjectFileMachO.h ---------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef liblldb_ObjectFileMachO_h_
11 #define liblldb_ObjectFileMachO_h_
12 
13 #include "llvm/Support/MachO.h"
14 
15 #include "lldb/Core/Address.h"
16 #include "lldb/Host/FileSpec.h"
17 #include "lldb/Host/Mutex.h"
18 #include "lldb/Symbol/ObjectFile.h"
19 
20 //----------------------------------------------------------------------
21 // This class needs to be hidden as eventually belongs in a plugin that
22 // will export the ObjectFile protocol
23 //----------------------------------------------------------------------
24 class ObjectFileMachO :
25     public lldb_private::ObjectFile
26 {
27 public:
28     //------------------------------------------------------------------
29     // Static Functions
30     //------------------------------------------------------------------
31     static void
32     Initialize();
33 
34     static void
35     Terminate();
36 
37     static const char *
38     GetPluginNameStatic();
39 
40     static const char *
41     GetPluginDescriptionStatic();
42 
43     static ObjectFile *
44     CreateInstance (lldb_private::Module* module,
45                     lldb::DataBufferSP& dataSP,
46                     const lldb_private::FileSpec* file,
47                     lldb::addr_t offset,
48                     lldb::addr_t length);
49 
50     static bool
51     MagicBytesMatch (lldb::DataBufferSP& dataSP);
52 
53     //------------------------------------------------------------------
54     // Member Functions
55     //------------------------------------------------------------------
56     ObjectFileMachO (lldb_private::Module* module,
57                      lldb::DataBufferSP& dataSP,
58                      const lldb_private::FileSpec* file,
59                      lldb::addr_t offset,
60                      lldb::addr_t length);
61 
62     virtual
63     ~ObjectFileMachO();
64 
65     virtual bool
66     ParseHeader ();
67 
68     virtual lldb::ByteOrder
69     GetByteOrder () const;
70 
71     virtual bool
72     IsExecutable () const;
73 
74     virtual size_t
75     GetAddressByteSize ()  const;
76 
77     virtual lldb_private::AddressClass
78     GetAddressClass (lldb::addr_t file_addr);
79 
80     virtual lldb_private::Symtab *
81     GetSymtab();
82 
83     virtual lldb_private::SectionList *
84     GetSectionList();
85 
86     virtual void
87     Dump (lldb_private::Stream *s);
88 
89     virtual bool
90     GetArchitecture (lldb_private::ArchSpec &arch);
91 
92     virtual bool
93     GetUUID (lldb_private::UUID* uuid);
94 
95     virtual uint32_t
96     GetDependentModules (lldb_private::FileSpecList& files);
97 
98     //------------------------------------------------------------------
99     // PluginInterface protocol
100     //------------------------------------------------------------------
101     virtual const char *
102     GetPluginName();
103 
104     virtual const char *
105     GetShortPluginName();
106 
107     virtual uint32_t
108     GetPluginVersion();
109 
110     virtual lldb_private::Address
111     GetEntryPointAddress ();
112 
113     virtual ObjectFile::Type
114     CalculateType();
115 
116     virtual ObjectFile::Strata
117     CalculateStrata();
118 
119 protected:
120     mutable lldb_private::Mutex m_mutex;
121     llvm::MachO::mach_header m_header;
122     mutable std::auto_ptr<lldb_private::SectionList> m_sections_ap;
123     mutable std::auto_ptr<lldb_private::Symtab> m_symtab_ap;
124 
125     llvm::MachO::dysymtab_command m_dysymtab;
126     std::vector<llvm::MachO::segment_command_64> m_mach_segments;
127     std::vector<llvm::MachO::section_64> m_mach_sections;
128     lldb_private::Address  m_entry_point_address;
129 
130     size_t
131     ParseSections ();
132 
133     size_t
134     ParseSymtab (bool minimize);
135 
136 };
137 
138 #endif  // liblldb_ObjectFileMachO_h_
139